89da9f2fea
Squashed commit of the following:
Last minute clean-up
libs/libc/grp/lib_find_grpfile.c: Fix some problems found in testing.
libs/libc/pwd: Finishes off implementation using /etc/passwd.
libs/libc/grp: Finishes off implementation using /etc/group.
libs/libc/pwd/lib_find_pwdfile.c: Add logic to look up user information in /etc/passwd file, if available.
libs/libc/grp/lib_find_grpfile.c: Add logic to look up group information in /etc/group file, if available.
107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
/****************************************************************************
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* libs/libc/grp/lib_grp.h
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*
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* Copyright (C) 2019 Gregory Nutt. All rights reserved.
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* Author: Michael Jung <mijung@gmx.net>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __LIBS_LIBC_GRP_LIB_GRP_H
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#define __LIBS_LIBC_GRP_LIB_GRP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <grp.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define ROOT_GID 0
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#define ROOT_NAME "root"
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#define ROOT_PASSWD "x"
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/* Reserver space for a NULL terminated list for group member names */
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#define MEMBER_SIZE ((CONFIG_LIBC_GROUP_NUSERS + 1) * sizeof(FAR char *))
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/* Reserve space for the maximum line in the group file PLUS space for an
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* array of Member names.
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*/
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#define GRPBUF_RESERVE_SIZE (CONFIG_LIBC_GROUP_LINESIZE + MEMBER_SIZE)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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#ifdef CONFIG_LIBC_GROUP_FILE
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/* Data for non-reentrant group functions */
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EXTERN struct group g_group;
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EXTERN char g_group_buffer[GRPBUF_RESERVE_SIZE];
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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FAR struct group *getgrbuf(gid_t gid, FAR const char *name,
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FAR const char *passwd);
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int getgrbuf_r(gid_t gid, FAR const char *name, FAR const char *passwd,
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FAR struct group *grp, FAR char *buf, size_t buflen,
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FAR struct group **result);
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#ifdef CONFIG_LIBC_GROUP_FILE
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int grp_findby_name(FAR const char *gname, FAR struct group *entry,
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FAR char *buffer, size_t buflen);
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int grp_findby_gid(gid_t gid, FAR struct group *entry, FAR char *buffer,
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size_t buflen);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LIBS_LIBC_GRP_LIB_GRP_H */
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